[INFO] cloning repository https://github.com/mindbeam/editor-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mindbeam/editor-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindbeam%2Feditor-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindbeam%2Feditor-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9c448693dd3f8310c5035d6dbb37af4076c9df5
[INFO] testing mindbeam/editor-experiment against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindbeam%2Feditor-experiment" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mindbeam/editor-experiment on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mindbeam/editor-experiment
[INFO] finished tweaking git repo https://github.com/mindbeam/editor-experiment
[INFO] tweaked toml for git repo https://github.com/mindbeam/editor-experiment written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mindbeam/editor-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e591272997d01ecec775b56d20696069a1b6e586ce2ed57788ee2415f7fc3278
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e591272997d01ecec775b56d20696069a1b6e586ce2ed57788ee2415f7fc3278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e591272997d01ecec775b56d20696069a1b6e586ce2ed57788ee2415f7fc3278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e591272997d01ecec775b56d20696069a1b6e586ce2ed57788ee2415f7fc3278", kill_on_drop: false }`
[INFO] [stdout] e591272997d01ecec775b56d20696069a1b6e586ce2ed57788ee2415f7fc3278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b5427133610b782aa468b6035a908aa1ec7e84be67da5dc724ef0627b9a4d6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b5427133610b782aa468b6035a908aa1ec7e84be67da5dc724ef0627b9a4d6f", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling enum-map v0.6.2
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.4.4
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling enumset v1.0.1
[INFO] [stderr]    Compiling cursive_core v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling cursive v0.15.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.11
[INFO] [stderr]    Compiling tracing-appender v0.1.1
[INFO] [stderr]    Compiling design-study-texteditor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `document::Document`
[INFO] [stdout]  --> src/node.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeFrom`
[INFO] [stdout]  --> src/util/mutstr.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/cursor.rs:89:63
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> src/document.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positions`
[INFO] [stdout]   --> src/document.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_avoid_zero`
[INFO] [stdout]   --> src/document.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try_avoid_zero: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/node.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stdout]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event`, `Key`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::event::{Event, Key};
[INFO] [stdout]   |                      ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, `TextArea`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cursive::Cursive`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cursive::Cursive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available`
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let width = usize::max(width, 1);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cursor`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_node_id`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rows`
[INFO] [stdout]   --> src/bin/editor/editor.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     rows: Vec<Row>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_rows`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     max_width: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.37s
[INFO] running `Command { std: "docker" "inspect" "0b5427133610b782aa468b6035a908aa1ec7e84be67da5dc724ef0627b9a4d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5427133610b782aa468b6035a908aa1ec7e84be67da5dc724ef0627b9a4d6f", kill_on_drop: false }`
[INFO] [stdout] 0b5427133610b782aa468b6035a908aa1ec7e84be67da5dc724ef0627b9a4d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc46f8d5d784fa6b3c3af538a8c28f9f9895047bdff0969d7bb404be49a23e27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc46f8d5d784fa6b3c3af538a8c28f9f9895047bdff0969d7bb404be49a23e27", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] [stderr]    Compiling design-study-texteditor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `document::Document`
[INFO] [stdout]  --> src/node.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeFrom`
[INFO] [stdout]  --> src/util/mutstr.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/cursor.rs:89:63
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> src/document.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positions`
[INFO] [stdout]   --> src/document.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_avoid_zero`
[INFO] [stdout]   --> src/document.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try_avoid_zero: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/node.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stdout]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event`, `Key`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::event::{Event, Key};
[INFO] [stdout]   |                      ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, `TextArea`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cursive::Cursive`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cursive::Cursive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available`
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let width = usize::max(width, 1);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cursor`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_node_id`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rows`
[INFO] [stdout]   --> src/bin/editor/editor.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     rows: Vec<Row>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_rows`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     max_width: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> tests/basic.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event`, `Key`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::event::{Event, Key};
[INFO] [stdout]   |                      ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, `TextArea`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cursive::Cursive`
[INFO] [stdout]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cursive::Cursive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `document::Document`
[INFO] [stdout]  --> src/node.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeFrom`
[INFO] [stdout]  --> src/util/mutstr.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available`
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let width = usize::max(width, 1);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cursor`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_node_id`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/editor.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut available = size.x;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut buf = String::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rows`
[INFO] [stdout]   --> src/bin/editor/editor.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     rows: Vec<Row>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_rows`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_width`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     max_width: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]   --> src/cursor.rs:89:63
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stdout]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]    --> src/cursor.rs:258:34
[INFO] [stdout]     |
[INFO] [stdout] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/cursor.rs:258:43
[INFO] [stdout]     |
[INFO] [stdout] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `render_offset`
[INFO] [stdout]    --> src/cursor.rs:258:49
[INFO] [stdout]     |
[INFO] [stdout] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]    --> src/cursor.rs:258:64
[INFO] [stdout]     |
[INFO] [stdout] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stdout]     |                                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/cursor.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut count = 0;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_id`
[INFO] [stdout]   --> src/document.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positions`
[INFO] [stdout]   --> src/document.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_avoid_zero`
[INFO] [stdout]   --> src/document.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try_avoid_zero: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/node.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stdout]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cursor.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut count = 0;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         mut node_id: NodeId,
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/document.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         mut positions: usize,
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `incremental_scan`
[INFO] [stdout]    --> src/cursor.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn incremental_scan() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "cc46f8d5d784fa6b3c3af538a8c28f9f9895047bdff0969d7bb404be49a23e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc46f8d5d784fa6b3c3af538a8c28f9f9895047bdff0969d7bb404be49a23e27", kill_on_drop: false }`
[INFO] [stdout] cc46f8d5d784fa6b3c3af538a8c28f9f9895047bdff0969d7bb404be49a23e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73861ca7602200a619eb9e0a0e7852dadb4f4e7950d5d7ffcfda5f63bebf4dd1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73861ca7602200a619eb9e0a0e7852dadb4f4e7950d5d7ffcfda5f63bebf4dd1", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.crate-type
[INFO] [stderr] warning: unused import: `document::Document`
[INFO] [stderr]  --> src/node.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RangeFrom`
[INFO] [stderr]  --> src/util/mutstr.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `children`
[INFO] [stderr]   --> src/cursor.rs:89:63
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stderr]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_id`
[INFO] [stderr]   --> src/document.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         mut node_id: NodeId,
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `positions`
[INFO] [stderr]   --> src/document.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         mut positions: usize,
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `try_avoid_zero`
[INFO] [stderr]   --> src/document.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try_avoid_zero: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/node.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stderr]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/document.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         mut node_id: NodeId,
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/document.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         mut positions: usize,
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `document::Document`
[INFO] [stderr]  --> src/node.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{cursor::Cursor, document::Document, util::mutstr::MutStr};
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RangeFrom`
[INFO] [stderr]  --> src/util/mutstr.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{RangeBounds, RangeFrom};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `children`
[INFO] [stderr]   --> src/cursor.rs:89:63
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.depth_first_scan(|_node_id, node, render_offset, children| {
[INFO] [stderr]    |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_id`
[INFO] [stderr]    --> src/cursor.rs:258:34
[INFO] [stderr]     |
[INFO] [stderr] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stderr]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/cursor.rs:258:43
[INFO] [stderr]     |
[INFO] [stderr] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stderr]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `render_offset`
[INFO] [stderr]    --> src/cursor.rs:258:49
[INFO] [stderr]     |
[INFO] [stderr] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `children`
[INFO] [stderr]    --> src/cursor.rs:258:64
[INFO] [stderr]     |
[INFO] [stderr] 258 |         cursor.depth_first_scan(|node_id, node, render_offset, children| {
[INFO] [stderr]     |                                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/cursor.rs:256:17
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let mut count = 0;
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_id`
[INFO] [stderr]   --> src/document.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         mut node_id: NodeId,
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `positions`
[INFO] [stderr]   --> src/document.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         mut positions: usize,
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `try_avoid_zero`
[INFO] [stderr]   --> src/document.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         try_avoid_zero: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_try_avoid_zero`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/node.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 |             Action::Insert { offset, body } => body.find(c),
[INFO] [stderr]     |                              ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cursor.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let mut count = 0;
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/document.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         mut node_id: NodeId,
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/document.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         mut positions: usize,
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `incremental_scan`
[INFO] [stderr]    --> src/cursor.rs:240:8
[INFO] [stderr]     |
[INFO] [stderr] 240 |     fn incremental_scan() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Event`, `Key`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cursive::event::{Event, Key};
[INFO] [stderr]   |                      ^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, `TextArea`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stderr]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cursive::Cursive`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cursive::Cursive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available`
[INFO] [stderr]   --> src/bin/editor/editor.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut available = size.x;
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width = usize::max(width, 1);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cursor`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stderr]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_node_id`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut buf = String::new();
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/editor.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut available = size.x;
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut buf = String::new();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rows`
[INFO] [stderr]   --> src/bin/editor/editor.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     rows: Vec<Row>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_rows`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_width`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     max_width: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> tests/basic.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Event`, `Key`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cursive::event::{Event, Key};
[INFO] [stderr]   |                      ^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Dialog`, `EditView`, `OnEventView`, `TextArea`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cursive::views::{Dialog, EditView, OnEventView, TextArea};
[INFO] [stderr]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cursive::Cursive`
[INFO] [stderr]  --> src/bin/editor/editor_window.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cursive::Cursive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available`
[INFO] [stderr]   --> src/bin/editor/editor.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut available = size.x;
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width = usize::max(width, 1);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cursor`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stderr]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_node_id`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_node_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut buf = String::new();
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/editor.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut available = size.x;
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/util/row.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut last_node_id = self.cursor.node_id.clone();
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/editor/util/row.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut buf = String::new();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rows`
[INFO] [stderr]   --> src/bin/editor/editor.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     rows: Vec<Row>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_rows`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn make_rows(cursor: Cursor, width: usize) -> Vec<Row> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_width`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     max_width: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bin/editor/util/row.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(cursor: Cursor, max_width: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/design_study_texteditor-1ffeca06e10f85e5)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test node::test::test1 ... ok
[INFO] [stdout] test util::mutstr::test::slice ... ok
[INFO] [stdout] test test::basic_deletion_and_regional_projection ... ok
[INFO] [stdout] test cursor::test::limit_2 ... ok
[INFO] [stdout] test test::multiple_deletes ... ok
[INFO] [stdout] test util::mutstr::test::bad_insert - should panic ... ok
[INFO] [stdout] test util::mutstr::test::bad_remove - should panic ... ok
[INFO] [stdout] test cursor::test::limit ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- cursor::test::limit stdout ----
[INFO] [stdout] thread 'cursor::test::limit' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/util/logging.rs:13:14
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563fedbc3920 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x563fedbc3920 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563fedbc3920 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x563fedbc3920 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x563fedbe62fc - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x563fedbc0845 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x563fedbc5adb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x563fedbc5adb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x563fedbc5adb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x563fedbc55ec - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x563fedbc61a4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x563fedbc5c87 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x563fedbc3e1c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x563fedbc5be9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x563fedaab6d1 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x563fedaab7c3 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x563fedad3d6e - core::result::Result<T,E>::unwrap::hf53f786d12b09d1a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x563fedacf0c6 - design_study_texteditor::util::logging::init_logging::mkwriter::h82721772aa2ea6b7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util/logging.rs:9:20
[INFO] [stdout]   18:     0x563fedad6f0e - core::ops::function::Fn::call::h6d23d70945471778
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:70:5
[INFO] [stdout]   19:     0x563fedacda1e - <F as tracing_subscriber::fmt::writer::MakeWriter>::make_writer::hb0984b5b2e41de7d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-subscriber-0.2.11/src/fmt/writer.rs:53:9
[INFO] [stdout]   20:     0x563fedadccf2 - <tracing_subscriber::fmt::fmt_layer::Layer<S,N,E,W> as tracing_subscriber::layer::Layer<S>>::on_event::{{closure}}::h84e058fa1896d45e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-subscriber-0.2.11/src/fmt/fmt_layer.rs:707:34
[INFO] [stdout]   21:     0x563fedac3491 - std::thread::local::LocalKey<T>::try_with::h0b6b0c9f519ac046
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:400:16
[INFO] [stdout]   22:     0x563fedac337d - std::thread::local::LocalKey<T>::with::h06a4122ff3b8dbf1
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:376:9
[INFO] [stdout]   23:     0x563fedadcadd - <tracing_subscriber::fmt::fmt_layer::Layer<S,N,E,W> as tracing_subscriber::layer::Layer<S>>::on_event::hf05eecf8819e5fec
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-subscriber-0.2.11/src/fmt/fmt_layer.rs:690:9
[INFO] [stdout]   24:     0x563fedac0ccd - <tracing_subscriber::layer::Layered<L,S> as tracing_core::subscriber::Subscriber>::event::hdbfa926651549363
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-subscriber-0.2.11/src/layer.rs:651:9
[INFO] [stdout]   25:     0x563fedac0c41 - <tracing_subscriber::layer::Layered<L,S> as tracing_core::subscriber::Subscriber>::event::h750b5c7621977cc2
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-subscriber-0.2.11/src/layer.rs:650:9
[INFO] [stdout]   26:     0x563fedabdad3 - <tracing_subscriber::fmt::Subscriber<N,E,F,W> as tracing_core::subscriber::Subscriber>::event::hff4c0d51a23d0cf8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-subscriber-0.2.11/src/fmt/mod.rs:327:9
[INFO] [stdout]   27:     0x563fedb83c43 - tracing_core::dispatcher::Dispatch::event::h8526c8922992f359
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.14/src/dispatcher.rs:509:9
[INFO] [stdout]   28:     0x563fedb84041 - tracing_core::event::Event::dispatch::{{closure}}::h685cec4da647e879
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.14/src/event.rs:36:13
[INFO] [stdout]   29:     0x563fedb83a78 - tracing_core::dispatcher::get_default::{{closure}}::h01facc624e9c2958
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.14/src/dispatcher.rs:352:17
[INFO] [stdout]   30:     0x563fedb830ce - std::thread::local::LocalKey<T>::try_with::h3486d6c9763705d8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:400:16
[INFO] [stdout]   31:     0x563fedb83738 - tracing_core::dispatcher::get_default::h26871cd568297700
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.14/src/dispatcher.rs:339:5
[INFO] [stdout]   32:     0x563fedac7f5f - tracing_core::event::Event::dispatch::h2813c7bee2d19421
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.14/src/event.rs:35:9
[INFO] [stdout]   33:     0x563fedada6f8 - design_study_texteditor::node::Node::project::h6eef446e1726ee95
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:126:17
[INFO] [stdout]   34:     0x563fedace3f5 - design_study_texteditor::cursor::Cursor::project_forward::{{closure}}::h424bafe0e79b83dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:95:23
[INFO] [stdout]   35:     0x563fedaceb24 - design_study_texteditor::cursor::Cursor::depth_first_scan::hd34f94e858c6705a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:172:13
[INFO] [stdout]   36:     0x563fedace320 - design_study_texteditor::cursor::Cursor::project_forward::h34386c9cbfdae69e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:89:9
[INFO] [stdout]   37:     0x563fedace5e6 - design_study_texteditor::cursor::Cursor::rewind_and_project::hc073ba3875452c5d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:123:9
[INFO] [stdout]   38:     0x563fedac6990 - design_study_texteditor::cursor::test::limit::h61a7c54a04745804
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:212:20
[INFO] [stdout]   39:     0x563fedac683a - design_study_texteditor::cursor::test::limit::{{closure}}::h46483471f3f255a0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/cursor.rs:202:5
[INFO] [stdout]   40:     0x563fedad711e - core::ops::function::FnOnce::call_once::ha6014aa8cd1f08a6
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   41:     0x563fedb06d03 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   42:     0x563fedb06d03 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   43:     0x563fedb057c0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   44:     0x563fedb057c0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   45:     0x563fedb057c0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   46:     0x563fedb057c0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   47:     0x563fedb057c0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   48:     0x563fedb057c0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   49:     0x563fedb057c0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   50:     0x563fedadee72 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   51:     0x563fedadee72 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   52:     0x563fedae2a28 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   53:     0x563fedae2a28 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   54:     0x563fedae2a28 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   55:     0x563fedae2a28 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   56:     0x563fedae2a28 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   57:     0x563fedae2a28 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   58:     0x563fedae2a28 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   59:     0x563fedbcacc7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   60:     0x563fedbcacc7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   61:     0x563fedbcacc7 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   62:     0x7fa400562609 - start_thread
[INFO] [stdout]   63:     0x7fa40033a293 - clone
[INFO] [stdout]   64:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     cursor::test::limit
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "73861ca7602200a619eb9e0a0e7852dadb4f4e7950d5d7ffcfda5f63bebf4dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73861ca7602200a619eb9e0a0e7852dadb4f4e7950d5d7ffcfda5f63bebf4dd1", kill_on_drop: false }`
[INFO] [stdout] 73861ca7602200a619eb9e0a0e7852dadb4f4e7950d5d7ffcfda5f63bebf4dd1
